High shear pressure sensitive adhesive composition

Details High shear pressure sensitive adhesive composition High shear pressure sensitive adhesive composition

2006-09-19

2010-10-19

Mullis, Jeffrey C (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C428S500000, C428S512000, C428S516000, C428S517000

Reexamination Certificate

active

07816448

ABSTRACT:
A hot melt pressure sensitive adhesive composition includes ABA block copolymer(s), a midblock resin, a plasticizer, and optionally, an endblock resin. The A block is derived from styrene and B block is derived from butadiene or its hydrogenated version. The block copolymer(s) has an average styrene content of from about 15% to about 35%, an average diblock content of no less than about 20%, and an average solution viscosity of less than about 1,000 cps.

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